<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
	<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
	<title>旅游网站</title>

</head>

</html>
<?php

	function P($num1, $num2){
		return $num1+$num2;
	}

?>